12.1 D2 HW

Organize the following situations by the type of exclusivity

Groups:

(a) ME

,

(b) NME

• 
• 
• 
• 

Calculate the probability of the event.

There are five nickels, four dimes, and five quarters in your pocket. You randomly pick a coin. It is a nickel or a dime.

Mathematical Equivalence

ON

Calculate the probability of the event.

A box contains three red playing cards numbered one to three. The box also contains five black playing cards numbered one to five. You randomly pick a playing card. It is red or has a number less than four.

Mathematical Equivalence

OFF

Calculate the probability of the event.

A jar contains six balls, numbered from one to six. You randomly pick a ball. It is numbered one or five.

Mathematical Equivalence

OFF

Calculate the probability of the event.

A box of chocolates contains six milk chocolates and five dark chocolates. Three of the milk chocolates and two of the dark chocolates have peanuts inside. You randomly select and eat a chocolate. It is a milk chocolate or has peanuts inside.

Mathematical Equivalence

ON

Calculate the probability of the event.

A bag contains four yellow jerseys numbered one to four. The bag also contains four purple jerseys numbered one to four. You randomly pick a jersey. It is yellow or has a number greater than two.

Mathematical Equivalence

OFF

Calculate the probability of the event.

A basket contains three apples, three peaches, and four pears. You randomly select a piece of fruit. It is an apple or a peach.

Mathematical Equivalence

OFF

On the Lady Cougars Soccer team, 5% of the team plays goalie only, 16% play only defense, 11% play only midfield, and 11% play only forward. Find the probability that a randomly chosen team member only plays goalie or defense.

• 21%

• 11%

• 60%

• 13%

Of guests at a party, 15% only drink water, 21% only drink pop, and 12% only drink sports drinks. Find the probability that a randomly selected guest only drinks pop or sports drinks.

• 21%

• 33%

• 27%

• 13%

The probability that the Lady Cougars soccer team wins their game is 0.4. Calculate the probability that the girls win two games in a row.

Mathematical Equivalence

ON